*{
	margin: 0;
	padding: 0;
}
.fl{
	float: left;
}
.fr{
	float: right;
}
.clearfix:after{
    clear: both;
    display: table;
    content: "";
}
ul li{
	list-style-type: none;
}
img{
	vertical-align: middle;
}
a{
	text-decoration: none;
}
html,body{
    width: 100%;
}


/*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/
    ::-webkit-scrollbar
    {
        width: 16px;
        height: 0px;
        background-color: #F5F5F5;
    }



/*菜单导航样式*/
.menu-nav{
	width: 100%;
	position: fixed;
	bottom: 0px;
	left: 0px;
	min-height: 49px;
	background-color: rgba(255,255,255,.9);
	box-shadow:#ccc 0px -2px 4px;
}
.menu-nav li{
	width: 25%;
	min-height: 49px;
	float: left;
}
.menu-nav li a{
	width: 100%;
	display: block;
	text-align: center;
/*.menu-nav li img{
	width: 100%;
}*/
}
.menu-nav li a img{
	margin-top: 4px;
	width: 24%;
}
.menu-nav li a p{
	margin-top: 2px;
	font-size: .6rem;
	color: #323232;
}


/*回到顶部样式*/
.top{
	position: fixed;
	bottom: 70px;
	right: -20px;
	display: none;
	z-index: 3;
}
.top img{
	width: 60%;
}
